(19)

(11)

EP 2 054 143 A1

(12)

(43) Date of publication: 06.05.2009 Bulletin 2009/19 (21) Application number: 07789200.8 (22) Date of filing: 13.08.2007

(51) International Patent Classification (IPC):  B01F 3/04(2006.01) B01F 5/04(2006.01) (86) International application number: PCT/GB2007/003074 (87) International publication number: WO 2008/017875 (14.02.2008 Gazette 2008/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 11.08.2006 GB 0616043 (71) Applicant: Maelgwyn Mineral Services Limited Cardiff CF24 5EA (GB)	(72) Inventor: IMHOF, Rainer 46282 Dorsten (DE) (74) Representative: Spencer, Michael David et al Bromhead Johnson 19 Buckingham Street GB-London WC2N 6EF GB-London WC2N 6EF (GB)